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113 lines
3.4 KiB
C++
113 lines
3.4 KiB
C++
//===--- IRGenOptions.h - Swift Language IR Generation Options --*- C++ -*-===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2015 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See http://swift.org/LICENSE.txt for license information
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// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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//
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// This file defines the options which control the generation of IR for
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// swift files.
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//
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//===----------------------------------------------------------------------===//
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#ifndef SWIFT_AST_IRGENOPTIONS_H
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#define SWIFT_AST_IRGENOPTIONS_H
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#include "swift/AST/LinkLibrary.h"
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#include <string>
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#include <vector>
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namespace swift {
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enum class IRGenOutputKind : unsigned {
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/// Just generate an LLVM module and return it.
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Module,
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/// Generate an LLVM module and write it out as LLVM assembly.
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LLVMAssembly,
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/// Generate an LLVM module and write it out as LLVM bitcode.
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LLVMBitcode,
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/// Generate an LLVM module and compile it to assembly.
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NativeAssembly,
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/// Generate an LLVM module, compile it, and assemble into an object file.
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ObjectFile
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};
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enum class IRGenDebugInfoKind : unsigned {
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None, /// No debug info.
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LineTables, /// Line tables only.
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Normal /// Line tables + DWARF types.
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};
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/// The set of options supported by IR generation.
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class IRGenOptions {
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public:
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/// The name of the first input file, used by the debug info.
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std::string MainInputFilename;
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std::string OutputFilename;
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std::string ModuleName;
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std::string Triple;
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// The command line string that is to be stored in the DWARF debug info.
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std::string DWARFDebugFlags;
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/// The libraries and frameworks specified on the command line.
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SmallVector<LinkLibrary, 4> LinkLibraries;
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/// If non-empty, the (unmangled) name of a dummy symbol to emit that can be
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/// used to force-load this module.
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std::string ForceLoadSymbolName;
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/// The kind of compilation we should do.
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IRGenOutputKind OutputKind : 3;
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/// Should we spend time verifying that the IR we produce is
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/// well-formed?
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unsigned Verify : 1;
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/// Whether or not to run optimization passes.
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unsigned Optimize : 1;
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/// Whether we should emit debug info.
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IRGenDebugInfoKind DebugInfoKind : 2;
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/// \brief Whether we're generating IR for the JIT.
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unsigned UseJIT : 1;
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/// \brief Whether we allow dynamic value type layout.
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unsigned EnableDynamicValueTypeLayout : 1;
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/// \brief Whether we should run LLVM optimizations after IRGen.
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unsigned DisableLLVMOptzns : 1;
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/// \brief Whether we should run LLVM ARC optimizations after IRGen.
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unsigned DisableLLVMARCOpts : 1;
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/// Disable frame pointer elimination?
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unsigned DisableFPElim : 1;
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/// Whether or not this is the Swift half of a mixed-source framework.
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unsigned HasUnderlyingModule : 1;
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/// Special codegen for playgrounds.
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unsigned Playground : 1;
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IRGenOptions() : OutputKind(IRGenOutputKind::LLVMAssembly), Verify(true),
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Optimize(false), DebugInfoKind(IRGenDebugInfoKind::None),
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UseJIT(false), EnableDynamicValueTypeLayout(false),
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DisableLLVMOptzns(false), DisableLLVMARCOpts(false),
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DisableFPElim(true), HasUnderlyingModule(false),
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Playground(false) {}
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};
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} // end namespace swift
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#endif
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